Filtering device.



No. 965,999. PATEN'TED SEPT@ 17,

C. BROSSMANN, JR.

FILTBRING DEVICE. APPLICATION FILEDJULYZ?, 1904.

parra srATEs sanitr essieu.

CHARLES BRossMANN,-'JR.. 0F INDIANAPOLIS, INDIANA."

EILTERING navos.

its. v865,993.

Specification of Letters Patent. t patented Sept. 1 7', 1907.

Applicant met July 27.1904. sans No. 21am..

To all whom it may conml Befit known that I, CHARLES BRossMANN, Jr., a citizen of the United States, residing at Indianapolis, in the county of Marion and State of Indiana, .have invented a certain new and useful Improvement in Filtering Devices, of which the following is a specification. `My invention relates to filtering devices, and has for its object to provide a new and improved device of this description. w

My inventionv isillustrated in the accompanying drawing,` wherein, 1 Figure 1 is avertical sectional view through a ilter in g device embodying my' invention, taken on line 2-2, Figlfl; Fig. 3 is a frontA view of ,one oi the' tiles; Fig. i is a 'sectional view taken Online 44, Fig. 3; Fig. 5 is a similar sectional view showing a modified construction; Fig.. '5 is a view similar to Fig. 3 showing .a further modification.

bottom, A, of concrete, asphalt, or other material impervious to water. Upon the bottom A is a series of tiles, B, which preferably cover the entire. bottom. These tiles may be of various shapes. As shown -in Figs. 1 and 2 the tiles are open at the bottom, and have simply two sides, one of which is inclined.' These tiles the'two adjacent tiles meet. at anangleto each other, as shown in Fig. l, so that there is a space between the' two tiles, and this space is filled with filtering ma-' terial. vThe tiles are provided with openings through which the water'or other material passes. These open'- ings may be arranged in various ways. g As shown in Fig. 4, 4these tiles have two faces, B and i3?, which are lat an angle to each other. An opening or inlet, Bf, is `located in the face B2, and this openingA is so situated that the water or other material which strikes the face B1 of the adjacent tile passes therealong so as to pass through the opening B?. It is,of course, evident that these openings be arranged in other ways, and

- that the faces Bl may also be provided with openings,

filtering material may be formed suitable layers,

and may ber arranged in suitable manner. The y first layer is preferably nade of coarse stone, and upon this coarse stone may be placed layers of finer stone, gravel or sand, the number of llayers,'. the thickness v thereof, and the character of the materialA depending upon the conditions presented. It will be seen that this construction provides a bottom made up of a series of projections with spaces between themtllsd vwith filtering material, the whole mounted upennl sub-base impervious to water. This construction provides a great saving in stone because of the shape of the tile, and particularly because of the inclined faces thereof. This construction also insures a direct flow toward all parts of the bottom, and thus secures an even working of the filtering' material, and a substantially even deposit upon the upper face thereof, and, consequently, I

the greatest efliciency is secured from the material.

In the operation of the device, the Water-,when the device is used for filtering Water-passes down through 4 the filtering material over all parts of the bottom, and strikes the tile and then passes through the inlets therein. Sincethetiles are open at the ends, the

water then has a free passage beneath the tiles and on top of thebottom, A, andmds its way to the collecting device, C.

I have described in detail a particular constructionembodying my invention,`but-it is, of course', evident that the parts may be varied in many particulars, andi I, therefore, do not limit myself to the contiuction shown. l

It will be noted that the tiles Yare open at thefcnd's,

and when in position that they ferm a support for'the filtering material made up of a series of ridges with spaces between them, into which'the filtering material is received. Each tile is provided "with an inclined face, inclined with relation to the bottom or sub-'oase upon which the tiles are carried, and the inclinedface abuts against the face of the adjacent tile. An inlet* isi-provided in this faceof the adjacent tile, at the botflowing down the inclined face enters the inlet and then passes along the passageway formed by the hollow tiles until iteventually reaches the collecting device, C. It is, of course, evident that the inclined faces' of the tiles maybe provided with inlets, as shown, for example, in Fig. 5. l

I claim:

tom as'it were of this inclined face, so that the liquid` 1. A filtering device comprising a quantity of lterlng Il. A filtering device comprising a botto' part, a series of tiles resting thereon, each provided with an inclined upper t'nee, and a quantity Aof filtering material above said tile, througl` which the liquid acted upon passes.

4. .-i filtering device` comprisim,r a bottom, a layer of filtering mateal located above said-bottom, a seriesof upwardly projecting ridgesalong the bottom each havingk asm-iated therewith an outlet 'for the viator whereby a direct flow of the water toward all partsA oi `the bottom is ecured. I

.i tile for filtering devices made of a single piece and comprising two faces which meetut an :iugm both of said faces extending to Ihehase of the tile, one of' said faces being inclined withrelafion to tue support upon which the tile is carried when said tile is in its operative positionY (i. A tile for filtering devices comprising an integral structure with two faces .vhich meet at ana'ngle, one of said faces being f'he upper face and inclined tvfii relation to the support upon .vhich the tile is carried when said tile is in its operative position, tht walls ot' said tile being,r thinner tha'n the length o eifheil face, so that a spaee is formed between them.

T. A tile for filtering devices comprising two faces which nieet at an angle, one of said faces beim,Y the upper face and incllned with relation to the support upon which the tile is carried when said tile is in its operative position. tho walls oFsaid tile being thinner than the length of' either fare, so that a space is formed between them, and an inlet in one of said faces connuunieating with said space.

S. A tile for filtering devices consisting of two sides or walls at an angle to each other, both walls proieefng.r

toward ythe support upon which the tile is carried and of' ldiferent lengthsthe space between the edges of said walls being open. 4 v

f). A tile for filtering devices havim,r two faces af an angle to each other, one face being lhorter than the other 'md being.: perpendicular to the base of the tile, the other face being inclined with relation to said base. l

10. A tile for filterini,r devices triangular in cross seettons and'havingfan Ainclined upper face which forms an acute ongle with the base thereof and a second face which supports said inclined face and an opening in one of said faces.

1l. A filtering device comprising a sub-base, u series of 45 tiles thereon, each having.; an inclined upper' faecgan inlet associated with each tile, filtering material associated with said tiles, and resting upon said inclined faces so as t0 have an indented surface.

12. A ,filtering device comprising.: a sub-base, n series of hollow tiles mounted thereon, each tile provided with an inclined face which abuts against the adjoining tile, and an inlet in the adjoining tiil: so tlmtvthe liquid passing along the inclined face of ctie tile canenter Ythe interior ot' the adjacent tile. and a quantity of tiltering material 55 above said tiles.

f2. filtering device comprising a sulrliase, a series of hollow tiles thereon, eaelropen at the ends so that aseries of pas yag'ewtr are provided, a collecting device with which said pa.. eat-h tile bent,r inclined with relation to the sub-base, und :i quantify of filtering material above said' tiles.

14. A filtering device comprising a quantity of filtering ymaterial, a support. upon which said material rests formed neways communicate, fthe upper facel of into a series of ridges with indentations between them,

material, a supporfing base therefor having an uneven surface, a portion of the hase at intervals projet-tim,r up into the filtering material :md-outlet openings in said supporting base.

` CHARLES RICOSSMANN, .lf:.

Witnesses z FRANK J. Lann, Namur: ALLicnoNo. 

